CVE-2021-26736 — Improper Input Validation in Client Connector

CWE-20 — Improper Input ValidationCWE-22 — Path Traversal3 documents3 sources
Severity
7.8HIGHNVD
CNA6.7
EPSS
0.0%
top 90.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Zscaler Client Connector
Timeline
PublishedOct 23

Description

Multiple vulnerabilities in the Zscaler Client Connector Installer and Uninstaller for Windows prior to 3.6 allowed execution of binaries from a low privileged path. A local adversary may be able to execute code with SYSTEM privileges.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5zscaler/client_connector< 3.6

🔴Vulnerability Details

2
CVEList
ZApp Installer Privilege Escalation Vulnerabilities↗2023-10-23
▶
GHSA
GHSA-cmfg-v75g-8wm3: Multiple vulnerabilities in the Zscaler Client Connector Installer and Uninstaller for Windows prior to 3↗2023-10-23
▶
CVE-2021-26736 — Improper Input Validation | cvebase